- Robert Lamar Weaver
(b Tuscany, c1730; d after 1792). Italian librettist and stage director. He was one of two poets at the Teatro del Cocomero in Florence around 1755, a position requiring him to alter and add to librettos by other authors, notably Goldoni. His I matrimoni in maschera (1763) and L’amore industrioso (1765), comic operas composed by G. M. Rutini, established the reputations of both men in Italy and can be regarded as Casorri’s masterpieces. He was an active translator into Italian of French farces, the most successful being Il disertore, originally by L. S. Mercier and set to music by Giuseppe Gazzaniga, which probably owed its popularity to its unswerving morality and optimism. Casorri wrote two opera seria librettos, Attalo, re di Bitinia (1780) and Mesenzio, re d’Etruria, the latter set by the young Cherubini in 1782; both are solemn and noble, though conventional. In the 1790s Casorri directed a Tuscan prose company which performed in the Palla a Corda and the Piazza Vecchia theatres. His principal composer there was Neri Bondi; Casorri wrote and translated intermezzos and farces for the company to perform....